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  1. Hello, I'm putting a reactive transport model together in X1t. The aquifer I'm modeling contains carbonates, clays, and silicates. I'm utilizing custom kinetic rate laws which are sensitive to changes in pH. I have been trying to run simulations using kinetic constraints for all the minerals, but my model has been getting stuck and crashing and/or running incredibly slow. I have read that it is best to avoid simultaneously using kinetic constraints for minerals with greatly differing kinetic rates, and it is a better approach to instead set the more rapidly reacting minerals as equil
  2. Hi Jia, Thanks for the reply. It turns out I had a few settings set up kind of wrong. But, ultimately, I determined that the reason the software kept crashing (without reading any errors - just closing down) was because my CPU was slightly overclocked. I returned my CPU to factory settings, then the software now runs the models! Not sure how that works. Cheers,
  3. Hello, I'm a grad student attempting to put together a reactive transport model in X1t. The goal is to construct a 2D reactive transport model to simulate groundwater chemical evolution in a substrate in my study area. My supervisor recommended starting in React and then working my way into X1t and then X2t, when I can get the previous simulations to run and follow the chemical trends I'm after. My model includes clays, feldspars, carbonates, chlorite, and pyrite. I have XRD results to support wt% values for mineral species, and I'm using a series of kinetic reaction equations compo
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